Keyphrases
- outlier detection
- parameter free
- knowledge discovery
- density ratio estimation
- fraud detection
- detection algorithm
- credit card fraud detection
- high dimensional
- data mining
- high dimensional datasets
- detecting outliers
- detect outliers
- nearest neighbor
- density estimation
- data streams
- feature space
- principal component analysis
- dimensionality reduction
- distance based outlier detection
- change point detection
- image sequences